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The evolution of ARC/3.5m
Current ARC Partner Institutions
· · · · · · · University of Washington New Mexico State University Princeton University (until June 2014) University of Chicago (until Dec 2014) Johns Hopkins University (joined 1992) University of Colorado (joined 2001) University of Virginia (joined 2007)


New Leasing Institutions
(starting in 2014)
· · · · Georgia State University University of Oklahoma Seattle University Northeastern Astronomy Participation Group (Bucknell University, Colgate University, Haverford College, Hobart & William Smith Colleges, Middlebury College, Williams College)


Program specific leases (2014)
· APOLLO laser-ranging program (ongoing) · IHEP, Chinese Academy of Sciences (large monitoring program, 10 half nights/month) · Cal State Northridge (CSUN - special one year program for undergraduate education) · NIAOT, National Astronomical Observatories of China (visiting AO instrument program, has ties to NMSU and CSUN) · Starting soon: Adler Planetarium (large NASA grant focused on Near Earth Objects)


Scientific Productivity
(last 10 years)
· ~ 500 papers in refereed journals · ~ 40 PhD theses · ~ 250 graduate and undergraduate students trained to observe · Major followup resource for SDSS · Many ground-based campaigns simultaneous with satellite observations (e.g. HST, Chandra) · Numerous ToO and time domain programs


New instruments
· ARC Telescope Imaging Camera (ARCTIC)
­ PI Joe Huehnerhoff (UW, APO) ­ new optical imager, 8'x8' FOV, successful PDR in Oct 2013, final design and construction in 2014-15, commissioning planned summer 2015

· Fiber feed to SDSS APOGEE instrument under consideration · Next big instrument likely new optical spectrograph


Summary of APO 3.5m Attributes
(selling points for new partners)
· Efficient, low-risk, low-cost, fully functional telescope at a good site, with large suite of instruments and very low downtime (<1% per year for past 4 years). Our primary goal is that users get good data, every night! · Flexible scheduling - half nights, rapid followup, target of opportunity, long term monitoring programs, surveys · Fast instrument changes - all instruments kept cold and available every night · Remote observing - reduces costs, improves efficiency, easy to use, good documentation · Graduate student training and access · Opportunities for visiting instruments, innovative programs (e.g. APOLLO laser ranging)


The future is bright!
· New partners ­ leasing institutions, project-oriented programs, possible new ARC partners · New instruments ­ ARCTIC imaging camera, fiber feed to APOGEE, new optical spectrograph · Time share with WIYN underway, investigating time share with SOAR · More emphasis on time domain (e.g. LSST followup) · ARCSAT (former PT) refurbished, now available to ARC partners for remote observations